document.write( "Question 196572: I'm having some trouble getting the other value of \"x\" on this problem, Can you help me?\r
\n" ); document.write( "\n" ); document.write( "Find all real solutions of the equation. (If there are extra answer boxes, enter NONE in the last boxes.\r
\n" ); document.write( "\n" ); document.write( "x+6/x-2 = 3/x+2 + 32/x^2-4\r
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Algebra.Com's Answer #147314 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28x%2B6%29%2F%28x-2%29+=+3%2F%28x%2B2%29%2B32%2F%28x%5E2-4%29\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B6%29%2F%28x-2%29+=+3%2F%28x%2B2%29%2B32%2F%28%28x-2%29%28x%2B2%29%29\" Factor the last denominator. Take note that \"x%3C%3E-2\" or \"x%3C%3E2\" (these values would cause a division by zero)\r
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\n" ); document.write( "\n" ); document.write( " Multiply EVERY term by the LCD \"%28x-2%29%28x%2B2%29\" to eliminate the fractions.\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B2%29%28x%2B6%29=%28x-2%29%283%29%2B32\" Cancel out and simplify\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%2B2%29%28x%2B6%29=3%28x-2%29%2B32\" Rearrange the terms.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B8x%2B12=3%28x-2%29%2B32\" FOIL\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B8x%2B12=3x-6%2B32\" Distribute.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B8x%2B12-3x%2B6-32=0\" Get all terms to the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2B5x-14=0\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "Notice we have a quadratic equation in the form of \"ax%5E2%2Bbx%2Bc=0\" where \"a=1\", \"b=5\", and \"c=-14\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4ac+%29%29%2F%282a%29\" Start with the quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%285%29+%2B-+sqrt%28+%285%29%5E2-4%281%29%28-14%29+%29%29%2F%282%281%29%29\" Plug in \"a=1\", \"b=5\", and \"c=-14\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+25-4%281%29%28-14%29+%29%29%2F%282%281%29%29\" Square \"5\" to get \"25\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+25--56+%29%29%2F%282%281%29%29\" Multiply \"4%281%29%28-14%29\" to get \"-56\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+25%2B56+%29%29%2F%282%281%29%29\" Rewrite \"sqrt%2825--56%29\" as \"sqrt%2825%2B56%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+81+%29%29%2F%282%281%29%29\" Add \"25\" to \"56\" to get \"81\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+sqrt%28+81+%29%29%2F%282%29\" Multiply \"2\" and \"1\" to get \"2\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B-+9%29%2F%282%29\" Take the square root of \"81\" to get \"9\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-5+%2B+9%29%2F%282%29\" or \"x+=+%28-5+-+9%29%2F%282%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%284%29%2F%282%29\" or \"x+=++%28-14%29%2F%282%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+2\" or \"x+=+-7\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the possible answers are \"x+=+2\" or \"x+=+-7\" \r
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\n" ); document.write( "However, recall that we stated earlier that \"x%3C%3E2\" (this would cause a division by zero). So \"x+=+2\" is NOT a solution.\r
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\n" ); document.write( "\n" ); document.write( "This means that the only solution is \"x+=+-7\"
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